If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2n+10+n=55
We move all terms to the left:
2n+10+n-(55)=0
We add all the numbers together, and all the variables
3n-45=0
We move all terms containing n to the left, all other terms to the right
3n=45
n=45/3
n=15
| 37=7+10x | | 28t-16t-9=843 | | 2x-15=5-2(x-6) | | 75+2h=205 | | 10^x=1500 | | 2n-3/2-3n-8/4=n-1/3 | | x+72+55=180 | | 7x-2+36+90=180 | | 5x-14=3x+34 | | 133-10=6(6v+7)-9v | | (2+1.25f=10-2.75) | | -4m+3m=-3-3 | | 14-4z=-6z | | 2v-14+v-28+v-34=180 | | 9j+5(-9+4j)=141-2j | | 2z-46+2z-26+32=180 | | 13x+2+8x+18+97=180 | | 13x=2+8x+18+97=180 | | 3s+6+7s+74=180 | | 2w+2w+52=180 | | 439+9=8(-7-7a) | | c-3+c-5+2c=180 | | a-1+a-21+62=180 | | -(4x+1)=12 | | b-45+b-50+31=180 | | 5z+2z+z+36=180 | | 50+3w+2w=180 | | -15v-8=-7 | | 9(3-3c)=253+17 | | 206-17=-7(-3b-3) | | -8b-5b=22-126 | | 4/x+12-2/x-12=8x/x^2-144 |